Brain mechanisms of context-dependent foraging choices
| Project/Area Number |
19500260
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Neuroscience in general
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| Research Institution | Hokkaido University |
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Principal Investigator |
MATSUSHIMA Toshiya Hokkaido University, 大学院・理学研究院, 教授 (40190459)
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| Project Period (FY) |
2007 – 2008
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| Project Status |
Completed (Fiscal Year 2008)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Keywords | 行動生態学 / 行動経済学 / 神経行動学 / 大脳基底核 / 神経修飾物質 / 意思決定 / 最適採餌理論 / 衝動性 |
|---|
| Research Abstract |
鶏雛(ヒヨコ)を対象として実験心理学的に統制された行動実験を実施し、動物の採餌選択における文脈依存性に関して、以下の3点の知見を得た。
1. ヒヨコはリスク感受性を示し、量のリスクを嫌う。
2. 収益逓減の強さに応じて、餌パッチからの離脱を決定している。
3. 競争採餌の条件は、異時点間選択における衝動性を亢進する。
このように、ヒヨコは採餌状況の文脈に応じて採餌決定を適応的に変化させることが判明した。
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Report
(3 results)
Research Products
(59 results)
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[Journal Article] Gene expression profile in cerebrum in the filial imprinting of domestic chicks (Gallus gallus domesticus)2008
Author(s)
Yamaguchi, S., Fujii-Taira, I., Katagiri, S., Izawa, E.-I., Fujimoto, Y., Takeuchi, H., Takano, T., Matsushima, T., and Homma, K.J.
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Journal Title
Brain Research Bulletin 76
Pages: 275-281
Related Report
Peer Reviewed
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[Journal Article] Upregulation of microtubule-associated protein 2 accompanied by the filial imprinting of domestic chicks (Gallus gallus domesticus)2008
Author(s)
Yamaguchi, S., Fujii-Taira, I., Murakami, A., Hirose, N., Aoki, N., Izawa, E.-I., Fujimoto, Y., Takano, T., Matsushima, T., and Homma, K.J.
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Journal Title
Brain Research Bulletin 76
Pages: 282-288
Related Report
Peer Reviewed
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[Journal Article] Gene expression profile in cerebrum in the filialimprinting of domestic chicks (Gallus gallus domesticus)2008
Author(s)
Yamaguchi, S., Fujii-Taira, I., Katagiri, S., Izawa, E.-I., Fujimoto, Y., Takeuchi, H., Takano, T., Matsushima, T., and Homma, K.J.
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Journal Title
Brain Research Bulletin 76
Pages: 275-281
Related Report
Peer Reviewed
-
[Journal Article] Upregulation of microtubule-associated protein 2 accompanied by the filial imprinting of domestic chicks (Gallus gallus domesticus)2008
Author(s)
Yamaguchi, S., Fujii-Taira, I., Murakami, A_, Hirose, N., Aoki, N., Izawa, E.-I., Fujimoto, Y., Takano, T., Matsushima, T., and Homma, K.J.
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Journal Title
Brain Research Bulletin 76
Pages: 282-288
Related Report
Peer Reviewed
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[Journal Article] Gene expression profile in cerebrum in the filial imprinting of domestic chicks(Gallus gallus domesticus).2008
Author(s)
Yamaguchi, S., Fujii-Taira, I., Katagiri, S., Izawa, E.-I., Fujimoto, Y., Takeuchi, H., Takano, T., Matsushima, T., and Homma, K. J.
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Journal Title
Brain Research Bulletin 76
Pages: 275-281
Related Report
Peer Reviewed
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[Journal Article] Upregulation of Microtubule-associated protein 2 accompanied by the filial imprinting of domestic chicks(Gallus gallus domesticus).2008
Author(s)
Yamaguchi, S., Fujii-Taira, I., Murakami, A., Hirose, N., Aoki, N., Izawa, E.-I., Fujimoto, Y., Takano, T., Matsushima, T., and Homma, K. J.
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Journal Title
Brain Research Bulletin 76
Pages: 282-288
Related Report
Peer Reviewed
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[Journal Article] In-vivo gene transfer into newly hatched chick brain by electroporation.2007
Author(s)
Yamaguchi, S., Katagiri, S., Hirose, N., Fujimoto, Y., Mori, M., Fujii-Taira, I., Takano, T., Matsushima, T., and Homma, K.
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Journal Title
NeuroReport 18
Pages: 735-739
Related Report
Peer Reviewed
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[Presentation] Neuro-economics in chicks2007
Author(s)
Matsushima, T.
Organizer
In : IBRO (International Brain Research Organization) satellite meeting on "Brain mechanisms cognition and behaviour in birds
Place of Presentation
Heron Island, Queensland, Australia
Related Report
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